Malicious PDF — malware analysis report

Heuristics 7

• ClamAV: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0 critical CLAMAV_DETECTION
  ClamAV detected this file as malware: Pdf.Phishing.Trojan-d2568dad23a94d95-d2568dad23a94d95-10044375-0
• PDF links to known malicious redirector infrastructure critical PDF_MALICIOUS_REDIRECTOR_LINK
  PDF contains a clickable URI to redirector infrastructure used by a known malicious PDF SEO/adware delivery campaign. These documents typically rely on user interaction and redirect chains rather than a PDF parser vulnerability.
• Small PDF contains mass external PDF link farm critical PDF_SEO_LINK_FARM
  Small PDF contains many clickable external PDF links, mostly clustered on one host. This matches generated SEO/link-farm PDF carriers used to route users into malicious or unwanted-software delivery chains, rather than a normal document citation pattern.
• Small PDF is a non-clustered link farm on disposable hosting medium PDF_SEO_DISPOSABLE_LINK_FARM
  Small PDF contains many clickable external PDF links spread thin across many distinct hosts (no single dominant host), corroborated by a utm_term SEO-redirector link and/or links parked on free/disposable content hosts. This is the 'free document/template' SEO phishing PDF family, which ranks for search queries and routes users into payload/redirect chains, rather than a normal document citation pattern. The PDF itself carries no exploit — the risk is the linked destinations.
• Urgency / deadline lure low SE_URGENCY_LURE
  Document contains urgency or deadline language ('account will be terminated', 'action required within 24 hours', etc.) — useful context, but low-signal without other findings
• Object number defined twice with different bodies info PDF_DUPLICATE_OBJ_BODY_INCREMENTAL
  The same indirect object (N G) is defined more than once with different body bytes. First-wins and last-wins readers will resolve different content, which is a parser-confusion shape used by targeted PDFs. Body-only differences are common in benign incremental updates, so severity is raised only when the duplicate carries active content.
• Embedded URL info EMBEDDED_URL
  One or more URLs were extracted from the document. The URL itself is not a detection — see the per-URL labels for which channel (macro, JS, link annotation, document body, ...) reached each URL.
  URL https://s3.amazonaws.com/dutuzanob/nursery_rhyme_lyrics.pdf In PDF document text

  • https://sowujapureku.weebly.com/uploads/1/3/0/9/130969862/zipado.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4366405/normal_5ffa855ca89f4.pdfIn PDF document text
  • https://rinotawobuv.weebly.com/uploads/1/3/4/7/134768279/1747516.pdfIn PDF document text
  • http://nufapivevavenak.22web.org/mengirim_email_formal_bahasa_inggris.pdfIn PDF document text
  • https://pomitowu.weebly.com/uploads/1/3/4/3/134389192/1731034.pdfIn PDF document text
  • https://s3.amazonaws.com/xefezesebusu/english_to_brazilian_language_converter_free.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4450890/normal_5ffb226c3ce1e.pdfIn PDF document text
  • https://benipotuwazel.weebly.com/uploads/1/3/4/4/134445242/kibuviropebib.pdfIn PDF document text
  • https://s3.amazonaws.com/julexekubaj/59877162548.pdfIn PDF document text
  • https://katesagi.weebly.com/uploads/1/3/4/8/134864962/lijumejosiludirov.pdfIn PDF document text
  • https://static.s123-cdn-static.com/uploads/4424933/normal_5ffe6ce4e71fc.pdfIn PDF document text
  • https://traffine.ru/123?utm_term=baby+face+filter+iphoneIn PDF document text
  • http://www.ascendercorp.com/In extracted file (font_00_sfnt_off0000e6c2.bin)
  • http://www.ascendercorp.com/typedesigners.htmlIn extracted file (font_00_sfnt_off0000e6c2.bin)
  • http://www.w3.org/1999/02/22-rdf-syntax-ns#In PDF document text
  • http://purl.org/dc/elements/1.1/In PDF document text
  • http://ns.adobe.com/pdf/1.3/In PDF document text
  • http://ns.adobe.com/xap/1.0/In PDF document text
  • http://ns.adobe.com/xap/1.0/mm/In PDF document text
  • http://ns.adobe.com/xap/1.0/rights/In PDF document text
  • http://scripts.sil.org/OFLIn extracted file (font_00_sfnt_off0000e6c2.bin)

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